Keyphrases
- inference control
- data sources
- query processing
- database
- sparql queries
- rdf data
- query engine
- user defined
- response time
- databases
- relevance feedback
- information retrieval
- semantic query
- metadata
- data structure
- user queries
- retrieval systems
- user interaction
- query evaluation
- query formulation
- query expansion
- query language
- range queries
- data objects
- high level
- data model
- linked data
- retrieval method
- statistical databases
- knowledge base